Windows 11 does not have a built-in driver for the RD9700 chipset. When you plug the adapter in, it may show as an "Unknown USB Device" or fail to work with a yellow exclamation mark in Device Manager. You must manually install the driver.
USB\VID_0FE6&PID_9700USB\VID_0FE6&PID_9702USB\VID_07A6&PID_8511USB\VID_1905&PID_9700While Windows 11 is a newer OS, drivers released for Windows 10 (version 1.7.0.0 or 1.0.906.0) are generally compatible. You can find these drivers through several reputable third-party databases: Important Note for Windows 11 Windows 11 does
that often covers broad USB-to-Ethernet chipsets. This is the most reliable current source for official Windows 11 installers. You can find it on the Realtek Download List DriverMax (Corechip RD9700) : This site hosts version While Windows 11 is a newer OS, drivers